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fastdownload.exe

Setup

Artua Vladislav

This is a WebPick installer that bundles (with very minimal user consent) a number of adware browser extensions which inject ads in the browser. The application fastdownload.exe by Artua Vladislav has been detected as adware by 32 anti-malware scanners. The program is a setup application that uses the WebPick InstalleRex (Tarma) installer. While running, it connects to the Internet address r1.stylezip.info on port 80 using the HTTP protocol.
Publisher:
Premium  (signed by Artua Vladislav)

Product:
Setup

Description:
Installer

Version:
2012.4.19.1703

MD5:
e254675974097193452ed8ae307865b6

SHA-1:
f5ed8787fcbf32dbfc7800f8dd2fda184db6459d

SHA-256:
52bc2a909f2dd36acc0ab0a675e0ac5977f094cea017ebd177434b8433505152

Scanner detections:
32 / 68

Status:
Adware

Explanation:
Uses Web-Pick's 'File Product', an Installer which wraps various products and downloads and installs it silently through the process, hosted on TusFiles.

Analysis date:
4/24/2024 4:20:44 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.Generic.376680
734

Agnitum Outpost
Riskware.InstallMate
7.1.1

AhnLab V3 Security
PUP/Win32.TSULoader
15.02.01

Avira AntiVirus
Adware/Bundledz.C
7.11.137.190

avast!
Win32:InstallMate-CJ [PUP]
150101-1

AVG
Adware AdInstaller.PremiumInstaller
2016.0.3212

Bitdefender
Adware.Generic.376680
1.0.20.160

Bkav FE
HW32.CDB
1.3.0.4959

Clam AntiVirus
Win.Adware.Downware-591
0.98/20012

Comodo Security
Application.Win32.Bundledz.C
17951

Dr.Web
Adware.Downware.97
9.0.1.05190

Emsisoft Anti-Malware
Adware.Generic.376680
8.15.02.01.03

ESET NOD32
Win32/InstallMate.A potentially unwanted application
7.0.302.0

F-Secure
Adware.Generic.376680
11.2015-01-02_1

G Data
Adware.Generic.376680
15.2.24

IKARUS anti.virus
AdWare.Allpremiumsoft
t3scan.1.6.1.0

K7 AntiVirus
Adware
13.183.13358

Malwarebytes
PUP.Optional.InstallRex
v2015.02.01.03

McAfee
Trojan.Artemis!A74B15D4E53B
5600.6868

MicroWorld eScan
Adware.Generic.376680
16.0.0.96

NANO AntiVirus
Riskware.Win32.Downware.ctkpkm
0.28.0.58491

nProtect
Trojan.Generic.8750467
14.05.16.01

Panda Antivirus
PUP/TSUploader
15.02.01.03

Qihoo 360 Security
Malware.QVM20.Gen
1.0.0.1015

Reason Heuristics
PUP.Installer.WebPick
15.2.1.3

Rising Antivirus
PE:Malware.Bundledz!6.11CB
23.00.65.15130

Sophos
PUA 'InstallRex'
5.10

SUPERAntiSpyware
PUP.InstallMate
10081

Trend Micro House Call
HV_INSTALLEREX_CI1954E8.RDXN
7.2.32

Vba32 AntiVirus
Downloader.AdLoad
3.12.24.3

VIPRE Antivirus
Installerex/WebPick
27510

Zillya! Antivirus
Downloader.Adload.Win32.16952
2.0.0.1995

File size:
282.6 KB (289,408 bytes)

Product version:
1.0

Copyright:
Copyright © 2010 Premium

Original file name:
TSULoader.exe

File type:
Executable application (Win32 EXE)

Installer:
WebPick InstalleRex (Tarma)

Common path:
C:\users\{user}\downloads\fastdownload.exe

Digital Signature
Signed by:
Artua Vladislav

Authority:
COMODO CA Limited

Valid from:
2/22/2012 6:00:00 AM

Valid to:
2/22/2013 5:59:59 AM

Subject:
CN=Artua Vladislav, O=Artua Vladislav, STREET=HaRav Dangur 22, L=Bnei Braq, S=Israel, PostalCode=51282, C=IL

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
2E891F383001DD159332A0D089F55CE3

File PE Metadata
Compilation timestamp:
4/9/2012 5:24:50 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

CTPH (ssdeep):
6144:cEKTUVXxexXry6MGdXOA6CFeC5MHf9+IiAWfqU5OmBROK2X1JF9U73bc7dL6Iy7u:cEiWX4BG6jewfMf9EAWiUpiMuLbK4j

Entry address:
0x14A3

Entry point:
55, 8B, EC, 81, EC, 24, 06, 00, 00, 53, 56, 33, F6, 57, 66, 89, B5, E4, FB, FF, FF, 89, 75, F4, 89, 75, FC, FF, 15, 68, 30, 40, 00, A3, 08, 44, 40, 00, FF, 15, 64, 30, 40, 00, 89, 45, F8, 68, 04, 01, 00, 00, 8D, 85, DC, F9, FF, FF, 50, 56, FF, 15, 60, 30, 40, 00, 85, C0, 75, 41, FF, 15, 5C, 30, 40, 00, 83, F8, 78, 75, 1A, 68, BC, 32, 40, 00, E8, 82, FB, FF, FF, 59, C7, 05, 0C, 44, 40, 00, FD, 00, 00, 00, E9, 13, 02, 00, 00, 50, 68, 98, 32, 40, 00, E8, 67, FB, FF, FF, 59, 59, C7, 05, 0C, 44, 40, 00, FF, 00...
 
[+]

Developed / compiled with:
Microsoft Visual C++

Code size:
7.5 KB (7,680 bytes)

The executing file has been seen to make the following network communication in live environments.

TCP (HTTP):
Connects to r1.stylezip.info  (54.186.255.26:80)

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